Remove remaining tribe node references

docs/reference/modules/cross-cluster-search.asciidoc

@@ -222,8 +222,7 @@ GET /cluster_one:twitter/_search
 // TESTRESPONSE[s/"_score": 1/"_score": "$body.hits.hits.0._score"/]
 
 
-In contrast to the `tribe` feature cross cluster search can also search indices with the same name on different
-clusters:
+Indices can also be searched with the same name on different clusters:
 
 [source,js]
 --------------------------------------------------

server/src/main/java/org/elasticsearch/bootstrap/Security.java

@@ -328,7 +328,6 @@ static void addFilePermissions(Permissions policy, Environment environment) thro
     private static void addBindPermissions(Permissions policy, Settings settings) {
         addSocketPermissionForHttp(policy, settings);
         addSocketPermissionForTransportProfiles(policy, settings);
-        addSocketPermissionForTribeNodes(policy, settings);
     }
 
     /**
@@ -374,16 +373,6 @@ private static void addSocketPermissionForTransport(final Permissions policy, fi
         addSocketPermissionForPortRange(policy, transportRange);
     }
 
-    private static void addSocketPermissionForTribeNodes(final Permissions policy, final Settings settings) {
-        for (final Settings tribeNodeSettings : settings.getGroups("tribe", true).values()) {
-            // tribe nodes have HTTP disabled by default, so we check if HTTP is enabled before granting
-            if (NetworkModule.HTTP_ENABLED.exists(tribeNodeSettings) && NetworkModule.HTTP_ENABLED.get(tribeNodeSettings)) {
-                addSocketPermissionForHttp(policy, tribeNodeSettings);
-            }
-            addSocketPermissionForTransport(policy, tribeNodeSettings);
-        }
-    }
-
     /**
      * Add dynamic {@link SocketPermission} for the specified port range.
      *

server/src/main/java/org/elasticsearch/node/Node.java

@@ -776,8 +776,7 @@ public synchronized void close() throws IOException {
         logger.info("closing ...");
         List<Closeable> toClose = new ArrayList<>();
         StopWatch stopWatch = new StopWatch("node_close");
-        toClose.add(() -> stopWatch.start("tribe"));
-        toClose.add(() -> stopWatch.stop().start("node_service"));
+        toClose.add(() -> stopWatch.start("node_service"));
         toClose.add(nodeService);
         toClose.add(() -> stopWatch.stop().start("http"));
         if (NetworkModule.HTTP_ENABLED.get(settings)) {